Returns the {@code CipherService} to use for encrypting and decrypting serialized identity data to prevent easy
inspection of Subject identity data.
<p/>
Unless overridden by the {@link #setCipherService} method, the default instance is an {@link AesCipherService}.
@return the {@code Cipher} to use for encrypting and decrypting serialized identity data to prevent easy
inspection of Subject identity data
Returns the {@code CipherService} to use for encrypting and decrypting serialized identity data to prevent easy inspection of Subject identity data. <p/> Unless overridden by the {@link #setCipherService} method, the default instance is an {@link AesCipherService}.
@return the {@code Cipher} to use for encrypting and decrypting serialized identity data to prevent easy inspection of Subject identity data